"Vocaloid" has no official anime or manga, as well as no official story, so the answer to your question is no. VOCALOID is a program in either Japanese or English in which users can create or change songs. However, there is an unofficial manga called "Hatsune Miku: Unofficial Hatsune Mix." Though it's an unofficial book, it has still obtained a lot of respect as a funny manga. There are also quite a few vocaloid guide books on how to use the program. You just have to keep searching.
Yes, Ai is a vocaloid. A vocaloid 3 to be exact.
Vocaloid fans like Vocaloid. Vocaloid fans are located around the world. Vocaloid fans also have a tendency to like Japanese animation (anime) and comics (manga).
Piko is the name of both the Vocaloid and the voice provider, who is naturally not a Vocaloid.
No Teto is not a Vocaloid. I have heard before that She was made to be a prank. She is mistaken to be a Vocaloid. She sounds like a Vocaloid(y) software.
People are not sure if the second VOCALOID for the 1st generation was LEON or LOLA. They were both released on the same day. For VOCALOID 2nd generation, Hatsune Miku was the second VOCALOID after Sweet ANN. Lastly the VOCALOID 3rd generation, VOCALOID SeeU is the 2nd after MEW.
Kenmochi Hideki is the maker of vocaloid.
No, Akiakane is a Nico Nico Singer; not a Vocaloid.
Yes. Criticism is everywhere. You can find it on Youtube Videos, Vocaloid communities, ect.
No, Vocaloid is not an anime. Vocaloid is a singing voice synthesizer software that allows users to create songs and vocals using virtual characters. However, Vocaloid characters have been featured in various anime and manga series.
Akita Neru ain't a Vocaloid from the start.
Vocaloid is a program used to simulate a human voice for use in songs. Hatsune Miku is a popular Japanese Vocaloid.
Yamaha created and developed the Vocaloid technology. See the Vocaloid wiki article for more details about the technology and its impact on the internet.